---
type: "Bill"
title: "EPA-SOLE-SOURCE AQUIFER"
description: "Amends the Environmental Protection Act. Provides that no person shall conduct a carbon sequestration activity within a sequestration facility that overlies, underlies, or passes through a sole-source aquifer. Specifies that this provisions does not deprive the Environmental Protection Agency of the authority to deny a carbon sequestration permit. Defines \"sole-source aquifer\"."
jurisdiction: "us/states/il"
legislature: "Illinois General Assembly"
session: "104th"
identifier: "SB 1723"
citation: "Illinois SB 1723 (104th)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Carol Ammons", "Paul Faraci"]
version_count: 5
action_count: 120
vote_count: 5
first_action: "2025-02-05"
last_action: "2025-08-01"
source: "openstates"
source_identifier: "ocd-bill/f4daf248-db35-4f87-a51a-1ea3106267d2"
source_url: "https://ilga.gov/Legislation/BillStatus?DocNum=1723&GAID=18&DocTypeID=SB&LegId=160743&SessionID=114"
source_hash: "30cdeaa9404d0050f2006b6c35f1aebe4c791abc1e2d697ee6ec58df8c9170e4"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-il"]
---

# Illinois SB 1723 (104th) — EPA-SOLE-SOURCE AQUIFER

Amends the Environmental Protection Act. Provides that no person shall conduct a carbon sequestration activity within a sequestration facility that overlies, underlies, or passes through a sole-source aquifer. Specifies that this provisions does not deprive the Environmental Protection Agency of the authority to deny a carbon sequestration permit. Defines "sole-source aquifer".

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **Introduced** (filed) — [source](https://ilga.gov/documents/legislation/104/SB/PDF/10400SB1723.pdf)
2. **Engrossed** (committee substitute) — [source](https://ilga.gov/documents/legislation/104/SB/PDF/10400SB1723eng.pdf)
3. **Senate Amendment 001** (committee substitute) — [source](https://ilga.gov/documents/legislation/104/SB/PDF/10400SB1723sam001.pdf)
4. **Senate Amendment 002** (committee substitute) — [source](https://ilga.gov/documents/legislation/104/SB/PDF/10400SB1723sam002.pdf)
5. **Enrolled** (enrolled) — [source](https://ilga.gov/documents/legislation/104/SB/PDF/10400SB1723enr.pdf)

## Votes

- Third Reading — **55–0** (pass) · upper
- Energy & Environment — **20–5** (pass) · lower
- Energy and Public Utilities — **15–0** (pass) · upper
- Third Reading — **91–19** (pass) · lower
- Energy and Public Utilities — **14–0** (pass) · upper

## Sponsors

- Carol Ammons — primary (person)
- Paul Faraci — primary (person)
- Aarón M. Ortíz — cosponsor (person)
- Abdelnasser Rashid — cosponsor (person)
- Adriane Johnson — cosponsor (person)
- Amy Briel — cosponsor (person)
- Ann M. Williams — cosponsor (person)
- Anna Moeller — cosponsor (person)
- Anne Stava — cosponsor (person)
- Barbara Hernandez — cosponsor (person)
- Bob Morgan — cosponsor (person)
- Brandun Schweizer — cosponsor (person)
- Camille Y. Lilly — cosponsor (person)
- Chapin Rose — cosponsor (person)
- Christopher Belt — cosponsor (person)
- Dagmara Avelar — cosponsor (person)
- Daniel Didech — cosponsor (person)
- David Koehler — cosponsor (person)
- Debbie Meyers-Martin — cosponsor (person)
- Diane Blair-Sherlock — cosponsor (person)
- Don Harmon — cosponsor (person)
- Edgar González, Jr. — cosponsor (person)
- Elizabeth "Lisa" Hernandez — cosponsor (person)
- Graciela Guzmán — cosponsor (person)
- Gregg Johnson — cosponsor (person)
- Hoan Huynh — cosponsor (person)
- Jaime M. Andrade, Jr. — cosponsor (person)
- Janet Yang Rohr — cosponsor (person)
- Javier L. Cervantes — cosponsor (person)
- Jawaharial Williams — cosponsor (person)
- Jay Hoffman — cosponsor (person)
- Jehan Gordon-Booth — cosponsor (person)
- Jennifer Gong-Gershowitz — cosponsor (person)
- Joyce Mason — cosponsor (person)
- Justin Slaughter — cosponsor (person)
- Kam Buckner — cosponsor (person)
- Karina Villa — cosponsor (person)
- Katie Stuart — cosponsor (person)
- Kelly M. Cassidy — cosponsor (person)
- Kevin John Olickal — cosponsor (person)
- Kimberly Du Buclet — cosponsor (person)
- La Shawn K. Ford — cosponsor (person)
- Lakesia Collins — cosponsor (person)
- Laura Faver Dias — cosponsor (person)
- Laura Fine — cosponsor (person)
- Laura M. Murphy — cosponsor (person)
- Lilian Jiménez — cosponsor (person)
- Lindsey LaPointe — cosponsor (person)
- Lisa Davis — cosponsor (person)
- Marcus C. Evans, Jr. — cosponsor (person)
- Martha Deuter — cosponsor (person)
- Mary Beth Canty — cosponsor (person)
- Mary Edly-Allen — cosponsor (person)
- Mary Gill — cosponsor (person)
- Mattie Hunter — cosponsor (person)
- Maura Hirschauer — cosponsor (person)
- Maurice A. West, II — cosponsor (person)
- Michael Crawford — cosponsor (person)
- Michelle Mussman — cosponsor (person)
- Nabeela Syed — cosponsor (person)
- Napoleon Harris, III — cosponsor (person)
- Natalie A. Manley — cosponsor (person)
- Nicholas K. Smith — cosponsor (person)
- Nicolle Grasse — cosponsor (person)
- Norma Hernandez — cosponsor (person)
- Rachel Ventura — cosponsor (person)
- Ram Villivalam — cosponsor (person)
- Rita Mayfield — cosponsor (person)
- Robert Peters — cosponsor (person)
- Robyn Gabel — cosponsor (person)
- Sally J. Turner — cosponsor (person)
- Sharon Chung — cosponsor (person)
- Sonya M. Harper — cosponsor (person)
- Stephanie A. Kifowit — cosponsor (person)
- Steve McClure — cosponsor (person)
- Sue Scherer — cosponsor (person)
- Suzanne M. Ness — cosponsor (person)
- Suzy Glowiak Hilton — cosponsor (person)
- Thaddeus Jones — cosponsor (person)
- Theresa Mah — cosponsor (person)
- Tracy Katz Muhl — cosponsor (person)
- Will Guzzardi — cosponsor (person)
- William "Will" Davis — cosponsor (person)
- Willie Preston — cosponsor (person)
- Yolonda Morris — cosponsor (person)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2025-02-05** Filed with Secretary by Sen. Paul Faraci `filing`
- **2025-02-05** First Reading `reading-1`
- **2025-02-05** Referred to Assignments
- **2025-02-10** Added as Chief Co-Sponsor Sen. David Koehler
- **2025-02-18** Assigned to Energy and Public Utilities `referral-committee`
- **2025-02-25** Added as Co-Sponsor Sen. Rachel Ventura
- **2025-02-26** Added as Co-Sponsor Sen. Christopher Belt
- **2025-02-27** Added as Co-Sponsor Sen. Robert Peters
- **2025-02-28** Added as Chief Co-Sponsor Sen. Chapin Rose
- **2025-02-28** Added as Co-Sponsor Sen. Javier L. Cervantes
- **2025-03-04** Added as Chief Co-Sponsor Sen. Graciela Guzmán
- **2025-03-05** Added as Co-Sponsor Sen. Sally J. Turner
- **2025-03-11** Added as Chief Co-Sponsor Sen. Mattie Hunter
- **2025-03-14** Senate Committee Amendment No. 1 Filed with Secretary by Sen. Paul Faraci `amendment-introduction`
- **2025-03-14** Senate Committee Amendment No. 1 Referred to Assignments
- **2025-03-18** Senate Committee Amendment No. 1 Assignments Refers to Energy and Public Utilities
- **2025-03-18** Added as Co-Sponsor Sen. Laura Fine
- **2025-03-20** Added as Co-Sponsor Sen. Lakesia Collins
- **2025-03-20** Added as Co-Sponsor Sen. Napoleon Harris, III
- **2025-03-20** Senate Committee Amendment No. 1 Adopted `amendment-passage`
- **2025-03-20** Do Pass as Amended Energy and Public Utilities; 015-000-000
- **2025-03-20** Placed on Calendar Order of 2nd Reading April 1, 2025 `reading-2`
- **2025-03-20** Added as Co-Sponsor Sen. Mattie Hunter
- **2025-03-20** Added as Chief Co-Sponsor Sen. Don Harmon
- **2025-04-01** Added as Co-Sponsor Sen. Mary Edly-Allen
- **2025-04-02** Second Reading `reading-2`
- **2025-04-02** Placed on Calendar Order of 3rd Reading April 3, 2025
- **2025-04-02** Added as Co-Sponsor Sen. Adriane Johnson
- **2025-04-03** Added as Co-Sponsor Sen. Willie Preston
- **2025-04-04** Added as Co-Sponsor Sen. Karina Villa
- **2025-04-04** Added as Co-Sponsor Sen. Ram Villivalam
- **2025-04-09** Added as Co-Sponsor Sen. Suzy Glowiak Hilton
- **2025-04-10** Senate Floor Amendment No. 2 Filed with Secretary by Sen. Paul Faraci `amendment-introduction`
- **2025-04-10** Senate Floor Amendment No. 2 Referred to Assignments
- **2025-04-10** Senate Floor Amendment No. 2 Be Approved for Consideration Assignments
- **2025-04-10** Recalled to Second Reading `reading-2`
- **2025-04-10** Senate Floor Amendment No. 2 Adopted; Faraci `amendment-passage`
- **2025-04-10** Placed on Calendar Order of 3rd Reading
- **2025-04-10** Third Reading - Passed; 055-000-000 `passage, reading-3`
- **2025-04-10** Added as Co-Sponsor Sen. Laura M. Murphy
- **2025-04-10** Arrived in House `introduction`
- **2025-04-10** Chief House Sponsor Rep. Carol Ammons
- **2025-04-11** Added as Co-Sponsor Sen. Steve McClure
- **2025-04-11** First Reading `reading-1`
- **2025-04-11** Referred to Rules Committee
- **2025-04-15** Added Alternate Co-Sponsor Rep. Lindsey LaPointe
- **2025-04-16** Added Alternate Co-Sponsor Rep. Tracy Katz Muhl
- **2025-04-16** Added Alternate Co-Sponsor Rep. Bob Morgan
- **2025-04-17** Assigned to Energy & Environment Committee `referral-committee`
- **2025-04-21** Added Alternate Co-Sponsor Rep. Janet Yang Rohr
- **2025-04-22** Added Alternate Co-Sponsor Rep. Laura Faver Dias
- **2025-04-23** Added Alternate Chief Co-Sponsor Rep. Brandun Schweizer
- **2025-04-24** Added Alternate Co-Sponsor Rep. Maura Hirschauer
- **2025-04-24** Added Alternate Co-Sponsor Rep. Barbara Hernandez
- **2025-04-24** Added Alternate Co-Sponsor Rep. Norma Hernandez
- **2025-04-24** Added Alternate Co-Sponsor Rep. Will Guzzardi
- **2025-04-24** Added Alternate Co-Sponsor Rep. Joyce Mason
- **2025-04-24** Added Alternate Co-Sponsor Rep. Martha Deuter
- **2025-04-24** Added Alternate Co-Sponsor Rep. Hoan Huynh
- **2025-04-24** Added Alternate Co-Sponsor Rep. Jehan Gordon-Booth
- **2025-04-24** Added Alternate Co-Sponsor Rep. Nicholas K. Smith
- **2025-04-24** Added Alternate Co-Sponsor Rep. Camille Y. Lilly
- **2025-04-24** Added Alternate Chief Co-Sponsor Rep. Kam Buckner
- **2025-04-24** Alternate Chief Co-Sponsor Changed to Rep. Kam Buckner
- **2025-04-24** Added Alternate Co-Sponsor Rep. Jennifer Gong-Gershowitz
- **2025-04-24** Added Alternate Co-Sponsor Rep. Gregg Johnson
- **2025-04-24** Added Alternate Chief Co-Sponsor Rep. Sue Scherer
- **2025-04-29** Added Alternate Co-Sponsor Rep. Sharon Chung
- **2025-04-29** Added Alternate Co-Sponsor Rep. Diane Blair-Sherlock
- **2025-04-29** Do Pass / Short Debate Energy & Environment Committee; 020-005-000
- **2025-04-30** Placed on Calendar 2nd Reading - Short Debate `reading-2`
- **2025-05-01** Added Alternate Co-Sponsor Rep. Elizabeth "Lisa" Hernandez
- **2025-05-05** Added Alternate Co-Sponsor Rep. Kevin John Olickal
- **2025-05-05** Added Alternate Co-Sponsor Rep. Nicolle Grasse
- **2025-05-05** Added Alternate Co-Sponsor Rep. Mary Beth Canty
- **2025-05-05** Added Alternate Co-Sponsor Rep. Abdelnasser Rashid
- **2025-05-05** Added Alternate Co-Sponsor Rep. Anne Stava
- **2025-05-05** Added Alternate Co-Sponsor Rep. Theresa Mah
- **2025-05-05** Added Alternate Co-Sponsor Rep. Rita Mayfield
- **2025-05-05** Added Alternate Co-Sponsor Rep. Robyn Gabel
- **2025-05-06** Added Alternate Co-Sponsor Rep. Katie Stuart
- **2025-05-06** Added Alternate Co-Sponsor Rep. Michael Crawford
- **2025-05-06** Added Alternate Co-Sponsor Rep. Lisa Davis
- **2025-05-06** Added Alternate Co-Sponsor Rep. Jawaharial Williams
- **2025-05-06** Added Alternate Co-Sponsor Rep. Kimberly Du Buclet
- **2025-05-06** Added Alternate Co-Sponsor Rep. Debbie Meyers-Martin
- **2025-05-06** Added Alternate Co-Sponsor Rep. Yolonda Morris
- **2025-05-06** Added Alternate Co-Sponsor Rep. La Shawn K. Ford
- **2025-05-06** Added Alternate Co-Sponsor Rep. Kelly M. Cassidy
- **2025-05-06** Added Alternate Co-Sponsor Rep. Michelle Mussman
- **2025-05-06** Added Alternate Co-Sponsor Rep. Maurice A. West, II
- **2025-05-06** Added Alternate Co-Sponsor Rep. Lilian Jiménez
- **2025-05-06** Added Alternate Co-Sponsor Rep. Thaddeus Jones
- **2025-05-06** Added Alternate Co-Sponsor Rep. Dagmara Avelar
- **2025-05-06** Added Alternate Co-Sponsor Rep. Nabeela Syed
- **2025-05-06** Added Alternate Co-Sponsor Rep. Edgar González, Jr.
- **2025-05-06** Added Alternate Co-Sponsor Rep. Justin Slaughter
- **2025-05-06** Added Alternate Co-Sponsor Rep. Marcus C. Evans, Jr.
- **2025-05-06** Added Alternate Co-Sponsor Rep. Sonya M. Harper
- **2025-05-06** Added Alternate Co-Sponsor Rep. William "Will" Davis
- **2025-05-06** Added Alternate Co-Sponsor Rep. Natalie A. Manley
- **2025-05-06** Added Alternate Co-Sponsor Rep. Ann M. Williams
- **2025-05-06** Added Alternate Co-Sponsor Rep. Aarón M. Ortíz
- **2025-05-07** Added Alternate Co-Sponsor Rep. Suzanne M. Ness
- **2025-05-08** Added Alternate Co-Sponsor Rep. Jay Hoffman
- **2025-05-08** Added Alternate Co-Sponsor Rep. Amy Briel
- **2025-05-08** Added Alternate Co-Sponsor Rep. Daniel Didech
- **2025-05-08** Added Alternate Co-Sponsor Rep. Anna Moeller
- **2025-05-08** Added Alternate Co-Sponsor Rep. Mary Gill
- **2025-05-08** Added Alternate Co-Sponsor Rep. Jaime M. Andrade, Jr.
- **2025-05-14** Added Alternate Co-Sponsor Rep. Stephanie A. Kifowit
- **2025-05-16** Second Reading - Short Debate `reading-2`
- **2025-05-16** Held on Calendar Order of Second Reading - Short Debate `reading-2`
- **2025-05-20** Placed on Calendar Order of 3rd Reading - Standard Debate
- **2025-05-20** Third Reading - Standard Debate - Passed 091-019-000 `passage, reading-3`
- **2025-05-20** Passed Both Houses
- **2025-06-18** Sent to the Governor `executive-receipt`
- **2025-08-01** Governor Approved `executive-signature`
- **2025-08-01** Effective Date January 1, 2026
- **2025-08-01** Public Act . . . . . . . . . 104-0119 `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/f4daf248-db35-4f87-a51a-1ea3106267d2`. Confidence: reported (aggregated from official Illinois legislature records).